
1) British television magazine 2) Drop by to watch TV 3) Observe a fishbowl 4) Take a peek 5) Visit very briefly
Found on
https://www.crosswordclues.com/clue/look-in

Look-in was a long-running children`s magazine centred around ITV`s television programmes in the United Kingdom, and subtitled `The Junior TVTimes`. It ran from 9 January 1971 to 12 March 1994. Briefly, in 1985, a BBC-based rival appeared called BEEB, and later in 1989, Fast Forward, which went on to outsell Look-in. ==Format== Look-in had int...
Found on
http://en.wikipedia.org/wiki/Look-in

Look-in is slang for a chance of success.
Found on
http://www.probertencyclopaedia.com/browse/ZL.HTM

a brief glance. · a short visit. · a quick pass play in which the ball is thrown to a receiver running a short diagonal pattern across the center of the field.
Found on
https://www.infoplease.com/dictionary/look-in
No exact match found.